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STIMULATION OF INSULIN SECRETION BY GASTRIC INHIBITORY POLYPEPTIDE IN MAN.<sup>1</sup>
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1973
Year
ObesityMolecular PharmacologyMetabolic SyndromeGlucose ToleranceInsulin SignalingMedicinePhysiologyDiabetesGastroenterologyHypothalamic PeptideMetabolismInsulin DeliveryEndocrinologyPharmacologyNormal VolunteersGastric Inhibitory PolypeptideGastrointestinal Peptide HormoneHealth Sciences
The effect of very highly purified gastric inhibitory polypeptide (GIP) on insulin secretion in man was tested in normal volunteers. Administration of physiological doses of GIP together with glucose by IV infusion resulted in potentiation of the rise in IRI in the blood and improvement in glucose tolerance. It is concluded that GIP is a potent insulinotropic hormone and probably takes part in physiological potentiation of insulin secretion in response to hyperglycemia during absorption of nutrients from the intestine.